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Structure Chemical Name CAS MF
tert-Butyl 4-bromobutanoate tert-Butyl 4-bromobutanoate 110611-91-1 C71H110NO15P
Pramipexole Impurity 36 Pramipexole Impurity 36
Ondansetron IMpurity 6 Ondansetron IMpurity 6
Dapagliflozin Impurity 49 Dapagliflozin Impurity 49
Cefazolin Impurity 6 Cefazolin Impurity 6 66636-33-7 C14H20N4O3S3Si
5-Pyrimidinamine, 4,6-dichloro-N-hydroxy-2-(propylthio)- 5-Pyrimidinamine, 4,6-dichloro-N-hydroxy-2-(propylthio)- 2517939-84-1 C7H9Cl2N3OS
デスロラタジンN-ヒドロキシピペリジン デスロラタジンN-ヒドロキシピペリジン 1193725-73-3 C19H19ClN2O
Cytidine,N-benzoyl-2^-C-Methyl-,3^,5^-dibenzoate(9CI) Cytidine,N-benzoyl-2^-C-Methyl-,3^,5^-dibenzoate(9CI) 863329-64-0 C31H27N3O8
Bendamustine Impurity 14 Bendamustine Impurity 14
Pitavastatin Impurity 26 Pitavastatin Impurity 26
Brexpiprazole Impurity Brexpiprazole Impurity 2138169-93-2 C41H47N5O2S2
Cetirizine impurity B 2HCl Cetirizine impurity B 2HCl 1000690-91-4 C19H22Cl2N2O2
Atracurium Impurity T Atracurium Impurity T
Budesonide Impurity 28 Budesonide Impurity 28
Avatrombopag Impurity 69 Avatrombopag Impurity 69
Ropivacaine Impurity 37 Ropivacaine Impurity 37
Fosaprepitant Impurity 6 Fosaprepitant Impurity 6 327623-34-7 C21H19F6NO3
Pantoprazole Impurity 11 Pantoprazole Impurity 11 172282-50-7 C7H8F2N2O
Ethyne-13C Ethyne-13C 31432-47-0 D3N.DNO3
(R,Z)-2-((R)-((Z)-2-(2-aMinothiazol-4-yl)-2-(hydroxyiMino)acetaMido)(carboxy)Methyl)-5-ethylidene-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid (R,Z)-2-((R)-((Z)-2-(2-aMinothiazol-4-yl)-2-(hydroxyiMino)acetaMido)(carboxy)Methyl)-5-ethylidene-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid 178422-39-4 C14H15N5O6S2
Erlotinib Impurity 23 Erlotinib Impurity 23 2021249-11-4 C23H18F6N6O
Carbocistein Impurity E Carbocistein Impurity E
Apremilast Impurity 15 Apremilast Impurity 15 2096492-41-8 C22H26N2O8S
Levosimendan Impurity 7 Levosimendan Impurity 7
(3R,5S)-フルバスタチンナトリウム塩 (3R,5S)-フルバスタチンナトリウム塩 94061-80-0 C24H26FNO4.Na
3-ヒドロキシデスロラタジン 3-ヒドロキシデスロラタジン 119410-08-1 C19H19ClN2O
α-D-Glucopyranoside, methyl 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-, 2,3,4,6-tetraacetate α-D-Glucopyranoside, methyl 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-, 2,3,4,6-tetraacetate 714269-58-6 C30H35ClO11
Ropinirole impurity Ropinirole impurity
Vonoprazan Impurity 3 Vonoprazan Impurity 3 928325-41-1 C17H15F2N3O2S
Ibuprofen IPA impurity Ibuprofen IPA impurity
Alvimopan Impurity 4 Alvimopan Impurity 4
Losartan IsoMer IMpurity, PotassiuM Salt Losartan IsoMer IMpurity, PotassiuM Salt 860644-28-6 C22H22ClKN6O
Posaconazole Impurity 25 Posaconazole Impurity 25 1042398-26-4 C16H19F2IO3
1-(3,4-ジメチルフェニル)エタノール 1-(3,4-ジメチルフェニル)エタノール 33967-19-0 C10H14O
HydroxyMethylidene thione HydroxyMethylidene thione 1320360-86-8 C15H18N4OS
12β,14β-ジヒドロキシ-5β-カルダ-20(22)-エノリド-3β-イル4-O-(2,6-ジデオキシ-β-D-アルトロピラノシル)-2,6-ジデオキシ-β-D-アルトロピラノシド 12β,14β-ジヒドロキシ-5β-カルダ-20(22)-エノリド-3β-イル4-O-(2,6-ジデオキシ-β-D-アルトロピラノシル)-2,6-ジデオキシ-β-D-アルトロピラノシド 5297-05-2 C35H54O11
3,5-ビス(ベンジルオキシ)安息香酸ベンジル 3,5-ビス(ベンジルオキシ)安息香酸ベンジル 50513-72-9 C28H24O4
Ritonavir EP Impurity U Ritonavir EP Impurity U
Olodaterol Impurity 15 Olodaterol Impurity 15
(α1S,α4S,2S,5S)-2,5-DiMethyl-3,6-dioxo-α1,α4-bis(2-phenylethyl)-1,4-piperazinediacetic Acid 1,4-Diethyl Ester (α1S,α4S,2S,5S)-2,5-DiMethyl-3,6-dioxo-α1,α4-bis(2-phenylethyl)-1,4-piperazinediacetic Acid 1,4-Diethyl Ester 151387-05-2 C30H38N2O6
Clonazepam Related Compound A (3-Amino-4-(2-chlorophenyl)-6-nitrocarbostyril) Clonazepam Related Compound A (3-Amino-4-(2-chlorophenyl)-6-nitrocarbostyril) 55198-89-5 C15H10ClN3O3
Apixaban Impurity 16 Apixaban Impurity 16 1619934-76-7 C31H37N5O6
Edoxaban Impurity 11 (1R,2R,4S) Edoxaban Impurity 11 (1R,2R,4S) 480451-98-7 C21H30ClN5O5
trans 1-Benzyl-4-(4-fluorophenyl)-3-piperidinemethanol trans 1-Benzyl-4-(4-fluorophenyl)-3-piperidinemethanol 201855-60-9 C19H22FNO
Pramipexole Impurity L Pramipexole Impurity L
3R,4S-4-(4-methoxyphenyl)-1-methylpiperi dinyl] methanol 3R,4S-4-(4-methoxyphenyl)-1-methylpiperi dinyl] methanol 127017-78-1 C14H21NO2
1-cyclopropyl-6-fluoro-8-hydroxy-4-oxo-7-((4aR,7aR)-tetrahydro-1H-pyrrolo[3,4-b]pyridin-6(2H,7H,7aH)-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrobroMide 1-cyclopropyl-6-fluoro-8-hydroxy-4-oxo-7-((4aR,7aR)-tetrahydro-1H-pyrrolo[3,4-b]pyridin-6(2H,7H,7aH)-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrobroMide 1292904-74-5 C20H22FN3O4.BrH
Sertraline EP Impurity Sertraline EP Impurity C17H17Cl2N
Solifenacin Related Compound 24 Solifenacin Related Compound 24 1682642-69-8 C15H23ClN2
Caspofungin Impurity 6 Caspofungin Impurity 6
Lanthanum test solution(ChP) Lanthanum test solution(ChP)
Blonanserin iMpurity Blonanserin iMpurity 132810-83-4 C23H30FN3
Apremilast Impurity 46 Apremilast Impurity 46
N-(5-Chloro-2-pyridinyl)-2-pyrazinecarboxaMide (Zopiclone IMpurity) N-(5-Chloro-2-pyridinyl)-2-pyrazinecarboxaMide (Zopiclone IMpurity) 349125-10-6 C10H7ClN4O
3S,4R-4-[phenyl-1-methylpiperidinyl] methanol 3S,4R-4-[phenyl-1-methylpiperidinyl] methanol 176022-03-0 C13H19NO
R-7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-Methyl-10-(4-Methyl-1-piperazinyl)-7-oxo- Methyl ester R-7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-Methyl-10-(4-Methyl-1-piperazinyl)-7-oxo- Methyl ester 1268719-66-9 C19H22FN3O4
Teneligliptin Impurity 4 Teneligliptin Impurity 4
2-[3-カルボキシ-4-(2-メチルプロポキシ)フェニル]-4-メチル-5-チアゾールカルボン酸 2-[3-カルボキシ-4-(2-メチルプロポキシ)フェニル]-4-メチル-5-チアゾールカルボン酸 1239233-87-4 C16H17NO5S
(R)-De(trifluoromethyl) Fluoxetine Hydrochloride (R)-De(trifluoromethyl) Fluoxetine Hydrochloride 1212215-97-8 C16H20ClNO
Isavuconazole Impurity 6 Isavuconazole Impurity 6
4-エトキシ-3-(4-ピリジニル)-3-ブテン-2-オン 4-エトキシ-3-(4-ピリジニル)-3-ブテン-2-オン 88349-61-5 C11H13NO2
Dehydro RifaxiMin Dehydro RifaxiMin 80621-76-7 C43H49N3O11
pidotiMod iMpurity D pidotiMod iMpurity D 162148-15-4 C9H12N2O4S
5-(difluoromethoxy)-2-[(3,4-dimethoxypyridin-2-yl)methylsulfinyl]-1-(trideuteriomethyl)benzimidazole 5-(difluoromethoxy)-2-[(3,4-dimethoxypyridin-2-yl)methylsulfinyl]-1-(trideuteriomethyl)benzimidazole 1190008-84-4 C17H14D3F2N3O4S
Isavuconazole Impurity 17 Isavuconazole Impurity 17
Pregabalin Impurity 11 Pregabalin Impurity 11 177432-20-1 C7H11NO3
4-Hydroxy-1-methyl-7-phenoxy-3-isoquinolinecarboxylic acid methyl ester 4-Hydroxy-1-methyl-7-phenoxy-3-isoquinolinecarboxylic acid methyl ester 1421312-34-6 C18H15NO4
(Z)-2-(2-Aminothiazol-4-yl)-2-(1-carboxy-1-methyl)ethoxyiminoacetic acid (Z)-2-(2-Aminothiazol-4-yl)-2-(1-carboxy-1-methyl)ethoxyiminoacetic acid 102507-85-7 C9H11N3O5S
Bisoprolol Impurity 50 Bisoprolol Impurity 50
2-(((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methyl)(methyl)amino)succinic acid 2-(((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methyl)(methyl)amino)succinic acid C21H20FN3O6S
4-(6'-oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)benzonitrile 4-(6'-oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)benzonitrile 380918-54-7 C23H15N3O
Benzenemethanamine, a-ethyl-N,N-dimethyl- Benzenemethanamine, a-ethyl-N,N-dimethyl- 3330-05-0 C11H17N
4-ヒドロキシ-2-オキソ-1-ピロリジン酢酸メチル 4-ヒドロキシ-2-オキソ-1-ピロリジン酢酸メチル 85614-52-4 C7H11NO4
4-(4-Bromo-3-formyl-phenoxy)-benzonitrile 4-(4-Bromo-3-formyl-phenoxy)-benzonitrile 906673-54-9 C14H8BrNO2
Esmolol impurity A Esmolol impurity A
Axitinib Impurity 8 Axitinib Impurity 8
プルネチン5-グルコシド プルネチン5-グルコシド 89595-66-4 C22H22O10
Amlodipine Impurity 28 Amlodipine Impurity 28 79781-21-8 C18H20ClNO5
(S)-10-amino-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid (S)-10-amino-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
Budesonide Impurity 4 Budesonide Impurity 4
Alogliptin Impurity 17 Alogliptin Impurity 17
Carfilzomib Impurity C Carfilzomib Impurity C
(S)-Methyl 2-aminobutanoate (S)-Methyl 2-aminobutanoate 15399-22-1 C5H11NO2
Brexpiprazole Impurity C Brexpiprazole Impurity C
Triacetyl Aloe-emodin (Impurity A) Triacetyl Aloe-emodin (Impurity A) 25395-11-3 C21H16O8
IMidafenacin Related CoMpound 1 (4-(1H-IMidzol-1-yl)-2,2-DiphenylbutanaMide) IMidafenacin Related CoMpound 1 (4-(1H-IMidzol-1-yl)-2,2-DiphenylbutanaMide) 170105-20-1 C19H19N3O
IMp. F (EP): 3-(4-Hydroxyphenyl)pyrazin-2-ol IMp. F (EP): 3-(4-Hydroxyphenyl)pyrazin-2-ol
2,6-Di(tert-butyl)-4-hydroxy-4-methyl-2,5-cyclohexadien-1-one 2,6-Di(tert-butyl)-4-hydroxy-4-methyl-2,5-cyclohexadien-1-one 10396-80-2 C15H24O2
4-Chloro-2-(chloromethyl)-3-Methyl Pyridine Hydrochloride 4-Chloro-2-(chloromethyl)-3-Methyl Pyridine Hydrochloride 152402-97-6 C7H8Cl3N
R-(-)-O-DesMethyl-Venlafaxine-d6 R-(-)-O-DesMethyl-Venlafaxine-d6 1062609-96-4 C16H25NO2
METOPROLOL IMPURITY A METOPROLOL IMPURITY A C15H25NO3
Vinorelbine N'b-Oxide Sulfate Salt Vinorelbine N'b-Oxide Sulfate Salt 74075-34-6 C45H54N4O9
Pralatrexate Impurity 14 Pralatrexate Impurity 14
Ondansetron IMpurity 5 Ondansetron IMpurity 5
2-Oxo Clopidogrel Hydrochloride (Mixture of diastereomers) 2-Oxo Clopidogrel Hydrochloride (Mixture of diastereomers) 109904-27-0 C16H16ClNO3S
Avanafil iMpurity 5 Avanafil iMpurity 5
Vinpocetine impurity C Vinpocetine impurity C 70155-05-4 C23H28N2O3
Ritonavir EP Impurity R Ritonavir EP Impurity R
Lidocaine EP Impurity F Lidocaine EP Impurity F 142713-08-4 C14H22N2O
モキシフロキサシンメチルエステル モキシフロキサシンメチルエステル 721970-35-0 C22H26FN3O4
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